Mar 02 Watch 4:00 What the SpaceX launch means for America's space program By PBS NewsHour The SpaceX Crew Dragon capsule launched from Kennedy Space Center in Florida early Saturday on its way to the International Space Station. If the mission is successful, NASA astronauts could head into space from American soil later this year for… Continue watching
Mar 01 WATCH: SpaceX tests Dragon capsule for launching humans into space By Wendy Whitman Cobb, The Conversation The launch window opens on Saturday at 2:49 a.m. EST, and is the first time the privately owned capsule, which is designed to carry humans into space, is testing its ability. Continue reading
Mar 01 Watch 7:18 Why climate change is an 'all-encompassing threat' Although a candidate just entered the 2020 presidential race with a platform centered on climate change, some experts say Americans aren’t fully aware of the scope and seriousness of global warming. Among them is David Wallace-Wells, who argues in a… Continue watching
Feb 28 If this space study is right, humans have never left Earth's atmosphere By Vicky Stein A new study redefines the boundaries of our planet. Continue reading
Feb 27 Why robocalls are unstoppable By Raymond Huahong Tu, The Conversation It doesn’t matter if you’ve signed up with the federal Do Not Call Registry, though companies that call numbers on the list are supposed to be subject to large fines. Continue reading
Feb 25 Will the West's 'Great River' run dry? By Jim Robbins, Yale Environment 360 As the Southwest faces rapid growth and unrelenting drought, the Colorado River is in crisis. Now those who depend on the river must confront the hard reality that their supply of Colorado water may be cut off. Continue reading
Feb 24 In search of life's origins, Japan's Hayabusa 2 spacecraft lands on an asteroid By Jonathan O'Callaghan, Scientific American The mission to Asteroid Ryugu could return samples of the space rock to Earth in 2020. Continue reading
Feb 23 Watch 9:45 New York moves to regulate a 'likely human carcinogen' in drinking water By Hari Sreenivasan, Sam Weber, Connie Kargbo New York state is proposing the country’s first firm limit on a chemical found in drinking water in heavy concentrations in some Long Island, New York communities. 1,4-dioxane has been labeled a “likely human carcinogen” by the EPA, but is… Continue watching
Feb 23 How smallpox devastated the Aztecs – and helped Spain conquer an American civilization 500 years ago By Richard Gunderman, The Conversation Epidemics are nothing new, and some widespread infectious diseases have profoundly changed the course of human history. Continue reading
Feb 20 Can too much salt lead to bad skin? By Nsikan Akpan A new German study suggests eczema, one of the most common skin diseases, may be so prevalent because of too much table salt in our diets. Continue reading